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20 Cards in this Set
- Front
- Back
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what cranial nerve emerges from the interpeduncular fossa?
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occulomotor nerve
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what is the most medial sulcus called in the medullary dorsal region
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posteromedian sulcus
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what overlies the spinal tract of the trigeminal nerve and is the rostral continuation of lissauer's tract?
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tuberculum cinereum
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what is the cerebellar continuation forming part of the roof of the 3rd ventricle?
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inferior medullary velum
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what is the horizontal striation in the 4th ventricle projecting from the anterior thalamic nuclei to the habenular nuclei?
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stria medullaris IV ventricle
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where is the floor of the 4th ventricle found
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pontine region
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what is the superior projection of cerebellar white matter?
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superior medullary velum
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what cranial nerve emerges bw the superior medullary velum and inferior coliculus
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trochlear nerve
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what forms the quadrigeminal bodies or the tectum?
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sup and inf colliculi
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what does the brachium of the inf. colliculus bring their fibers to?
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medial geniculate body
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the brachium of the superior colliculus leads to what?
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the lateral geniculate body and also recieves fibers from the optic tract
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SVE represents what?
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special visceral efferents for striated muscle of the branchial arch muscles (striated muscles of head and neck)
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from medial to lateral, what are the fiber bundles in the rostral medulla?
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GSE (III, IV, VI, XII)
GVE (III, VII, IX, X) SVE (V, VII, IX, X, XI) GVA/SVA (VII, IV, X) GSA (V, VII, IX, X) SSA (VIII) |
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SVE V motor is the most superior. What does it innervate?
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skeletal muscles derived from the 1st pharyngeal arch: muscles of mastication, mylohyoid, tensor veli palatini, tensory tympani, anterior belly of digastric
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SVE. motor nucleus for facial innervates what?
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skeletal muscles derived from the second pharyngeal arch- muscles of facial expression, buccinator, platysma, stapedius, stylohyoid, and posterior belly of the digastric.
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SVE-ambiguus
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preganglionic PNS for X to the heart, X to the pharyngeal muscles; also IX SSE to the stylopharyngeous
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solitary
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GVA/SVA runs most medial. afferent for taste. VII, IX, X, rostral portion is SVA. and general X- includes baro/chemoreceptor input from carotids, and mechanoreceptors from the viscera
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Vmes
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mesencephalic nucleus of V, contains DRG cells and primary afferents from V (proprioception of head adn face)
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Vms
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main sensory nucleus of V, discriminative sensation and light touch on the face as well as conscious proprioception
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Vsp
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spinal tract and nucleus of V, deep crude touch, pain, and temperature from ipsilateral face
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